2528557 has 2 divisors, whose sum is σ = 2528558. Its totient is φ = 2528556.

The previous prime is 2528531. The next prime is 2528569. The reversal of 2528557 is 7558252.

2528557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2468041 + 60516 = 1571^2 + 246^2 .

It is a cyclic number.

It is not a de Polignac number, because 2528557 - 2¹⁵ = 2495789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2528527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1264278 + 1264279.

It is an arithmetic number, because the mean of its divisors is an integer number (1264279).

2^2528557 is an apocalyptic number.

It is an amenable number.

2528557 is a deficient number, since it is larger than the sum of its proper divisors (1).

2528557 is an equidigital number, since it uses as much as digits as its factorization.

2528557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28000, while the sum is 34.

The square root of 2528557 is about 1590.1437041978. The cubic root of 2528557 is about 136.2356963914.

It can be divided in two parts, 25 and 28557, that added together give a palindrome (28582).

The spelling of 2528557 in words is "two million, five hundred twenty-eight thousand, five hundred fifty-seven".